ML20003A371

LER 80-041/03L-0:on 801229,4-inch Reactor Water Cleanup Line 3 Found Leaking.Cause Under Investigation.Affected Portion of Pipe Replaced

ML20003A371
Person / Time
Site:	Vermont Yankee
Issue date:	01/28/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003A363	List: ML20003A362 ML20003A371
References
LER-80-041-03L, LER-80-41-3L, NUDOCS 8102030570
Download: ML20003A371 (1)

Text

NIC FOIM 366 U. S. NUCLEAR REGULATORY COMMISSION (7 77) e LICENSEE EVENT REPORT LER 80-41/3L CONTROL SLOCX: l I

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(FLEASE NtNT OR TYPE ALL REQUIRED INFOKMATION!

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IVl TlLICENSEE 3 9 VI YICODE Sl lI @l 0! Ol l OILsCENSE 14 15 Ol 0l Ol O! -l OI Ol @l4 !1l NUM6ER 25 26 1I 1l1 l @l57 C lA I $dl@

UCEN$E TYPE JQ CON'T

[0 I I 7 4 ouRC l60L @l O! 5! OOCKET 61 010lNuMgER0] 2! 71 11@l1 68 69

! EVENT 212QATE l918 l 0 l@l 74 4 011121818 REpQRT CATE

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EVENT DESCRIPTION AND PRCSA8LE CONSECUENCES h t o i : 1 l During startup at 24 percent power, routine operator surveillance discovered water i lo j al I leakage from the 4 inch. Reactor Water Cleanup Line 3. Upon close inspection, two l 10 ! a l l areas of water weepage were found. There were no consequences to the public health I l o i s I l and safety as a result of this event. Similar occurrences were reported to the l 10 t s i I Commission as LER 80 37 & 79-01.  !

l 0171 l l lotall I y 3 3 60 SYSTEu CAUSE CAUSE COMP. VALVE CCDE CCCE SUSCCCE COMPCNENT CODE SU8C00E SUSCOG6 l0l91 l C l C l @ l E l@ l D l h l P I I l P l E l x l xi@ L8_]@ LZJ @

7 8 9 10 11 12 13 18 19 20 SEOUENTI AL CCCURRENCE REPORT REVl510N LEmino EV EN' v E A R m EPCR T NC. CODE TYPE NO.

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33 JA JS 36 31 40 el CAUSE CESCRIPTION AND CORRECTIVE ACTICNS h i1 10II The Reactor Cleanun Tine was isolated and the affected norrinn of the nino sm e  !

[i}il i replaced with a low carbon stainless steel pipe. The pipe material from the I

,,,;, ; regenerative to the nonregenerative heat exchanger was ASTM-A-312, type 304. A l

,, ,3, l sample of this pipe will be sent to a laboratory for analysis of the failure mode. [

i and the results provided in a subsequent report.

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$TA *bPCWER OTHER STATUS OtsCO Y OISCOVERY CESCRIPTION Operator Observation li i s l l C l@ l 0l 2 l4 l@l NA l l B l@l l ACTivtTY CO TENT KELEASED wp RELEASE AMOUNT OF ACTTVITY LOCATICN OF RELEASE I1 I6I [,.I.,} @ (,,l] @ l NA l l MA l

1. ERSONNEL EXPCSURES NuM.ER TvPE cEsCRiPTio~ @

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,ER$cN~E't imu'2 Es NuusER cEsCRimcN@

l i l a8 l 3l o l 0 l 0 l@l12 NA l 7 11 80 LCS3 OP OR DAMAGE TO P4CILITY TV'E D ESCpl#TICN NA l 1 : 198 !9 12 l@l10 30 7

iSSU E DESCRIPT!CN l 2 ,a,2.

i o l WhliO Vermont Yankee Daily Status Report 12/30/80. I IIII!IIIII!! lj2 7

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sa se 80 s C y{y g u, ,,,,,,,; g Wanen P. Mu@y (802) 257-7711 P9CNE: 2,

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